https://www.theguardian.com/uk-news/2020/apr/05/scotland-chi...
https://twitter.com/davidallengreen/status/12649555774715043...
> 6.—(1) During the emergency period, no person may leave the place where they are living without reasonable excuse.
That has to be read in conjunction with the government and crown prosecution guidance about what reasonable means, and both the Government and the Crown Prosecutuion Service are very clear: that type of travel was not allowed.
The wider Conservative Party do not hold him in high regard. Cummings isn't even in the Conservative Party. The Daily Mail is a good bellwether on this - there is no love for Cummings except from Boris. And Boris has got Brexit done so doesn't need his chum. But he has also been isolated from others during this infatuation with the Cummings.